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一、苗圃地的选择圃地选交通方便,离造林地近,有灌排条件,坡向东南或南,土壤砂质壤土、壤土或轻粘土为好。二、整地要求要全面深翻平整,碎土均匀。清除杂草和石块,严格土壤消毒,一般在前一年伏天整地为好。三、苗床规格针叶树苗床一般为高床,其高度根据土壤湿度而定,一般为20厘米。苗床宽1米长10米,过宽过长影响操作,过窄过短浪费土地、影响产苗量。四、种籽处理和催芽1.库存种籽的处理和催芽先要浸种,一般温度在45℃左右,时间3天左右,方法是温水浸种1天后要每天换凉水一次,翻搅1～2次。浸泡好的种籽用水选法去掉空粒种。选种后进行消毒,用
First, the choice of nursery garden Choi convenient transportation selection, from the afforestation near irrigation and drainage conditions, slope to the southeast or south, soil sandy loam, loam or light clay as well. Second, the preparation of land needs to be comprehensive deep turning smooth, uniform soil. Clear weeds and stones, strict soil disinfection, generally the day before the summer as well. Third, the seedbed size Conifer seedbed bed is generally high, the height of the soil moisture may be, usually 20 cm. Seedbed width of 1 meter long and 10 meters, too wide and too long affect the operation, too narrow and too short waste of land, affecting the amount of seedling production. Fourth, the seed handling and germination 1. Stock seed germination and seed germination first to soak, the general temperature at about 45 ℃, the time is about 3 days, the method is to soak the warm water one day after the exchange of cold water once, stir 1 to 2 times . Soaked seed water selection method to remove empty seeds. After selection of disinfection, with